security-headers-csp

To configure HTTP security headers, you set strict policies for HSTS, Content Security Policy, and CORS. This protects web applications by enforcing secure defaults, utilizing nonces or hashes for inline scripts, and restricting cross-origin controls across server configurations and middleware stacks.

The best way to implement Content Security Policy with nonces in Express or FastAPI is to apply strict CSP defaults using 'self' for default-src and generate unique nonces or hashes for inline scripts. This approach supports reporting endpoints and ensures secure auditability for API backends.

To avoid wildcard origins with CORS credentials in API backends, you must restrict cross-origin access to explicitly trusted domains. This Skill guides you in configuring strict CORS policies that prevent unauthorized requests while maintaining secure defaults for SPAs and APIs.

Yes, you can configure HSTS and X-Frame-Options headers for Nginx or Apache. This Skill applies secure HTTP header implementations directly to server configurations, including Caddy, ensuring strict transport security and clickjacking protection across modern web stacks.

Yes, this approach supports CSP reporting endpoints for Laravel and Django middleware. It implements reporting mechanisms alongside strict Content Security Policy defaults, allowing you to monitor policy violations and maintain auditability across your web application stack.

You need to implement strict HTTP security headers when you want to reduce exposure to common web vulnerabilities like cross-site scripting and clickjacking. This is essential for modern web apps requiring secure defaults, cross-origin controls, and auditability across server configurations and API backends.